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<div id="overview"><a href="../../../../../../../api/org/jboss/netty/channel/socket/nio/NioDatagramChannel.html">View Javadoc</a></div><pre>

<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> * Copyright 2012 The Netty Project</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> * The Netty Project licenses this file to you under the Apache License,</em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> * version 2.0 (the "License"); you may not use this file except in compliance</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> * with the License. You may obtain a copy of the License at:</em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> *   <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_comment"> * License for the specific language governing permissions and limitations</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_comment"> * under the License.</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <strong class="jxr_keyword">package</strong> org.jboss.netty.channel.socket.nio;
<a class="jxr_linenumber" name="17" href="#17">17</a>  
<a class="jxr_linenumber" name="18" href="#18">18</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelException;
<a class="jxr_linenumber" name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelFactory;
<a class="jxr_linenumber" name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelFuture;
<a class="jxr_linenumber" name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelPipeline;
<a class="jxr_linenumber" name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelSink;
<a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.socket.DatagramChannelConfig;
<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.socket.InternetProtocolFamily;
<a class="jxr_linenumber" name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.util.internal.DetectionUtil;
<a class="jxr_linenumber" name="26" href="#26">26</a>  
<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> java.io.IOException;
<a class="jxr_linenumber" name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> java.net.InetAddress;
<a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> java.net.InetSocketAddress;
<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> java.net.NetworkInterface;
<a class="jxr_linenumber" name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> java.net.SocketAddress;
<a class="jxr_linenumber" name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> java.net.SocketException;
<a class="jxr_linenumber" name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong> java.nio.channels.DatagramChannel;
<a class="jxr_linenumber" name="34" href="#34">34</a>  <strong class="jxr_keyword">import</strong> java.nio.channels.MembershipKey;
<a class="jxr_linenumber" name="35" href="#35">35</a>  <strong class="jxr_keyword">import</strong> java.util.ArrayList;
<a class="jxr_linenumber" name="36" href="#36">36</a>  <strong class="jxr_keyword">import</strong> java.util.HashMap;
<a class="jxr_linenumber" name="37" href="#37">37</a>  <strong class="jxr_keyword">import</strong> java.util.Iterator;
<a class="jxr_linenumber" name="38" href="#38">38</a>  <strong class="jxr_keyword">import</strong> java.util.List;
<a class="jxr_linenumber" name="39" href="#39">39</a>  <strong class="jxr_keyword">import</strong> java.util.Map;
<a class="jxr_linenumber" name="40" href="#40">40</a>  
<a class="jxr_linenumber" name="41" href="#41">41</a>  <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.jboss.netty.channel.Channels.*;
<a class="jxr_linenumber" name="42" href="#42">42</a>  
<a class="jxr_linenumber" name="43" href="#43">43</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="44" href="#44">44</a>  <em class="jxr_javadoccomment"> * Provides an NIO based {@link org.jboss.netty.channel.socket.DatagramChannel}.</em>
<a class="jxr_linenumber" name="45" href="#45">45</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="46" href="#46">46</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/jboss/netty/channel/socket/nio/NioDatagramChannel.html">NioDatagramChannel</a> <strong class="jxr_keyword">extends</strong> AbstractNioChannel&lt;DatagramChannel&gt;
<a class="jxr_linenumber" name="47" href="#47">47</a>                                  <strong class="jxr_keyword">implements</strong> org.jboss.netty.channel.socket.DatagramChannel {
<a class="jxr_linenumber" name="48" href="#48">48</a>  
<a class="jxr_linenumber" name="49" href="#49">49</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="50" href="#50">50</a>  <em class="jxr_javadoccomment">     * The {@link DatagramChannelConfig}.</em>
<a class="jxr_linenumber" name="51" href="#51">51</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="52" href="#52">52</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/jboss/netty/channel/socket/nio/NioDatagramChannelConfig.html">NioDatagramChannelConfig</a> config;
<a class="jxr_linenumber" name="53" href="#53">53</a>      <strong class="jxr_keyword">private</strong> Map&lt;InetAddress, List&lt;MembershipKey&gt;&gt; memberships;
<a class="jxr_linenumber" name="54" href="#54">54</a>  
<a class="jxr_linenumber" name="55" href="#55">55</a>      <a href="../../../../../../org/jboss/netty/channel/socket/nio/NioDatagramChannel.html">NioDatagramChannel</a>(<strong class="jxr_keyword">final</strong> <a href="../../../../../../org/jboss/netty/channel/ChannelFactory.html">ChannelFactory</a> factory,
<a class="jxr_linenumber" name="56" href="#56">56</a>              <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/jboss/netty/channel/ChannelPipeline.html">ChannelPipeline</a> pipeline, <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/jboss/netty/channel/ChannelSink.html">ChannelSink</a> sink,
<a class="jxr_linenumber" name="57" href="#57">57</a>              <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/jboss/netty/channel/socket/nio/NioDatagramWorker.html">NioDatagramWorker</a> worker, <a href="../../../../../../org/jboss/netty/channel/socket/InternetProtocolFamily.html">InternetProtocolFamily</a> family) {
<a class="jxr_linenumber" name="58" href="#58">58</a>          <strong class="jxr_keyword">super</strong>(<strong class="jxr_keyword">null</strong>, factory, pipeline, sink, worker, openNonBlockingChannel(family));
<a class="jxr_linenumber" name="59" href="#59">59</a>          config = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/jboss/netty/channel/socket/nio/DefaultNioDatagramChannelConfig.html">DefaultNioDatagramChannelConfig</a>(channel);
<a class="jxr_linenumber" name="60" href="#60">60</a>  
<a class="jxr_linenumber" name="61" href="#61">61</a>          fireChannelOpen(<strong class="jxr_keyword">this</strong>);
<a class="jxr_linenumber" name="62" href="#62">62</a>      }
<a class="jxr_linenumber" name="63" href="#63">63</a>  
<a class="jxr_linenumber" name="64" href="#64">64</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../../../org/jboss/netty/channel/socket/DatagramChannel.html">DatagramChannel</a> openNonBlockingChannel(<a href="../../../../../../org/jboss/netty/channel/socket/InternetProtocolFamily.html">InternetProtocolFamily</a> family) {
<a class="jxr_linenumber" name="65" href="#65">65</a>          <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="66" href="#66">66</a>              <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/jboss/netty/channel/socket/DatagramChannel.html">DatagramChannel</a> channel;
<a class="jxr_linenumber" name="67" href="#67">67</a>  
<a class="jxr_linenumber" name="68" href="#68">68</a>              <em class="jxr_comment">// check if we are on java 7 or if the family was not specified</em>
<a class="jxr_linenumber" name="69" href="#69">69</a>              <strong class="jxr_keyword">if</strong> (DetectionUtil.javaVersion() &lt; 7 || family == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="70" href="#70">70</a>                  channel = DatagramChannel.open();
<a class="jxr_linenumber" name="71" href="#71">71</a>              } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="72" href="#72">72</a>                  <em class="jxr_comment">// This block only works on java7++, but we checked before if we have it.</em>
<a class="jxr_linenumber" name="73" href="#73">73</a>                  <em class="jxr_comment">//</em>
<a class="jxr_linenumber" name="74" href="#74">74</a>                  <em class="jxr_comment">// Use the ProtocolFamilyConvert for conversion to prevent NoClassDefFoundError.</em>
<a class="jxr_linenumber" name="75" href="#75">75</a>                  <em class="jxr_comment">//</em>
<a class="jxr_linenumber" name="76" href="#76">76</a>                  <em class="jxr_comment">// See #368</em>
<a class="jxr_linenumber" name="77" href="#77">77</a>                  <strong class="jxr_keyword">switch</strong> (family) {
<a class="jxr_linenumber" name="78" href="#78">78</a>                  <strong class="jxr_keyword">case</strong> IPv4:
<a class="jxr_linenumber" name="79" href="#79">79</a>                      channel = DatagramChannel.open(ProtocolFamilyConverter.convert(family));
<a class="jxr_linenumber" name="80" href="#80">80</a>                      <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="81" href="#81">81</a>  
<a class="jxr_linenumber" name="82" href="#82">82</a>                  <strong class="jxr_keyword">case</strong> IPv6:
<a class="jxr_linenumber" name="83" href="#83">83</a>                      channel = DatagramChannel.open(ProtocolFamilyConverter.convert(family));
<a class="jxr_linenumber" name="84" href="#84">84</a>                      <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="85" href="#85">85</a>  
<a class="jxr_linenumber" name="86" href="#86">86</a>                  <strong class="jxr_keyword">default</strong>:
<a class="jxr_linenumber" name="87" href="#87">87</a>                      <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException();
<a class="jxr_linenumber" name="88" href="#88">88</a>                  }
<a class="jxr_linenumber" name="89" href="#89">89</a>              }
<a class="jxr_linenumber" name="90" href="#90">90</a>  
<a class="jxr_linenumber" name="91" href="#91">91</a>              channel.configureBlocking(false);
<a class="jxr_linenumber" name="92" href="#92">92</a>              <strong class="jxr_keyword">return</strong> channel;
<a class="jxr_linenumber" name="93" href="#93">93</a>          } <strong class="jxr_keyword">catch</strong> (<strong class="jxr_keyword">final</strong> IOException e) {
<a class="jxr_linenumber" name="94" href="#94">94</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/jboss/netty/channel/ChannelException.html">ChannelException</a>(<span class="jxr_string">"Failed to open a DatagramChannel."</span>, e);
<a class="jxr_linenumber" name="95" href="#95">95</a>          }
<a class="jxr_linenumber" name="96" href="#96">96</a>      }
<a class="jxr_linenumber" name="97" href="#97">97</a>  
<a class="jxr_linenumber" name="98" href="#98">98</a>      @Override
<a class="jxr_linenumber" name="99" href="#99">99</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/jboss/netty/channel/socket/nio/NioDatagramWorker.html">NioDatagramWorker</a> getWorker() {
<a class="jxr_linenumber" name="100" href="#100">100</a>         <strong class="jxr_keyword">return</strong> (NioDatagramWorker) <strong class="jxr_keyword">super</strong>.getWorker();
<a class="jxr_linenumber" name="101" href="#101">101</a>     }
<a class="jxr_linenumber" name="102" href="#102">102</a> 
<a class="jxr_linenumber" name="103" href="#103">103</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isBound() {
<a class="jxr_linenumber" name="104" href="#104">104</a>         <strong class="jxr_keyword">return</strong> isOpen() &amp;&amp; channel.socket().isBound();
<a class="jxr_linenumber" name="105" href="#105">105</a>     }
<a class="jxr_linenumber" name="106" href="#106">106</a> 
<a class="jxr_linenumber" name="107" href="#107">107</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isConnected() {
<a class="jxr_linenumber" name="108" href="#108">108</a>         <strong class="jxr_keyword">return</strong> channel.isConnected();
<a class="jxr_linenumber" name="109" href="#109">109</a>     }
<a class="jxr_linenumber" name="110" href="#110">110</a> 
<a class="jxr_linenumber" name="111" href="#111">111</a>     @Override
<a class="jxr_linenumber" name="112" href="#112">112</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">boolean</strong> setClosed() {
<a class="jxr_linenumber" name="113" href="#113">113</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">super</strong>.setClosed();
<a class="jxr_linenumber" name="114" href="#114">114</a>     }
<a class="jxr_linenumber" name="115" href="#115">115</a> 
<a class="jxr_linenumber" name="116" href="#116">116</a>     @Override
<a class="jxr_linenumber" name="117" href="#117">117</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/jboss/netty/channel/socket/nio/NioDatagramChannelConfig.html">NioDatagramChannelConfig</a> getConfig() {
<a class="jxr_linenumber" name="118" href="#118">118</a>         <strong class="jxr_keyword">return</strong> config;
<a class="jxr_linenumber" name="119" href="#119">119</a>     }
<a class="jxr_linenumber" name="120" href="#120">120</a> 
<a class="jxr_linenumber" name="121" href="#121">121</a>     <a href="../../../../../../org/jboss/netty/channel/socket/DatagramChannel.html">DatagramChannel</a> getDatagramChannel() {
<a class="jxr_linenumber" name="122" href="#122">122</a>         <strong class="jxr_keyword">return</strong> channel;
<a class="jxr_linenumber" name="123" href="#123">123</a>     }
<a class="jxr_linenumber" name="124" href="#124">124</a> 
<a class="jxr_linenumber" name="125" href="#125">125</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> joinGroup(InetAddress multicastAddress) {
<a class="jxr_linenumber" name="126" href="#126">126</a>        <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="127" href="#127">127</a>             <strong class="jxr_keyword">return</strong> joinGroup(
<a class="jxr_linenumber" name="128" href="#128">128</a>                     multicastAddress, NetworkInterface.getByInetAddress(getLocalAddress().getAddress()), <strong class="jxr_keyword">null</strong>);
<a class="jxr_linenumber" name="129" href="#129">129</a>         } <strong class="jxr_keyword">catch</strong> (SocketException e) {
<a class="jxr_linenumber" name="130" href="#130">130</a>             <strong class="jxr_keyword">return</strong> failedFuture(<strong class="jxr_keyword">this</strong>, e);
<a class="jxr_linenumber" name="131" href="#131">131</a>         }
<a class="jxr_linenumber" name="132" href="#132">132</a>     }
<a class="jxr_linenumber" name="133" href="#133">133</a> 
<a class="jxr_linenumber" name="134" href="#134">134</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> joinGroup(InetSocketAddress multicastAddress, NetworkInterface networkInterface) {
<a class="jxr_linenumber" name="135" href="#135">135</a>         <strong class="jxr_keyword">return</strong> joinGroup(multicastAddress.getAddress(), networkInterface, <strong class="jxr_keyword">null</strong>);
<a class="jxr_linenumber" name="136" href="#136">136</a>     }
<a class="jxr_linenumber" name="137" href="#137">137</a> 
<a class="jxr_linenumber" name="138" href="#138">138</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="139" href="#139">139</a> <em class="jxr_javadoccomment">     * Joins the specified multicast group at the specified interface using the specified source.</em>
<a class="jxr_linenumber" name="140" href="#140">140</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="141" href="#141">141</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> joinGroup(
<a class="jxr_linenumber" name="142" href="#142">142</a>             InetAddress multicastAddress, NetworkInterface networkInterface, InetAddress source) {
<a class="jxr_linenumber" name="143" href="#143">143</a>         <strong class="jxr_keyword">if</strong> (DetectionUtil.javaVersion() &lt; 7) {
<a class="jxr_linenumber" name="144" href="#144">144</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> UnsupportedOperationException();
<a class="jxr_linenumber" name="145" href="#145">145</a>         }
<a class="jxr_linenumber" name="146" href="#146">146</a> 
<a class="jxr_linenumber" name="147" href="#147">147</a>         <strong class="jxr_keyword">if</strong> (multicastAddress == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="148" href="#148">148</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"multicastAddress"</span>);
<a class="jxr_linenumber" name="149" href="#149">149</a>         }
<a class="jxr_linenumber" name="150" href="#150">150</a> 
<a class="jxr_linenumber" name="151" href="#151">151</a>         <strong class="jxr_keyword">if</strong> (networkInterface == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="152" href="#152">152</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"networkInterface"</span>);
<a class="jxr_linenumber" name="153" href="#153">153</a>         }
<a class="jxr_linenumber" name="154" href="#154">154</a> 
<a class="jxr_linenumber" name="155" href="#155">155</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="156" href="#156">156</a>             MembershipKey key;
<a class="jxr_linenumber" name="157" href="#157">157</a>             <strong class="jxr_keyword">if</strong> (source == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="158" href="#158">158</a>                 key = channel.join(multicastAddress, networkInterface);
<a class="jxr_linenumber" name="159" href="#159">159</a>             } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="160" href="#160">160</a>                 key = channel.join(multicastAddress, networkInterface, source);
<a class="jxr_linenumber" name="161" href="#161">161</a>             }
<a class="jxr_linenumber" name="162" href="#162">162</a> 
<a class="jxr_linenumber" name="163" href="#163">163</a>             <strong class="jxr_keyword">synchronized</strong> (<strong class="jxr_keyword">this</strong>) {
<a class="jxr_linenumber" name="164" href="#164">164</a>                 <strong class="jxr_keyword">if</strong> (memberships == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="165" href="#165">165</a>                     memberships = <strong class="jxr_keyword">new</strong> HashMap&lt;InetAddress, List&lt;MembershipKey&gt;&gt;();
<a class="jxr_linenumber" name="166" href="#166">166</a>                 }
<a class="jxr_linenumber" name="167" href="#167">167</a>                 List&lt;MembershipKey&gt; keys = memberships.get(multicastAddress);
<a class="jxr_linenumber" name="168" href="#168">168</a>                 <strong class="jxr_keyword">if</strong> (keys == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="169" href="#169">169</a>                     keys = <strong class="jxr_keyword">new</strong> ArrayList&lt;MembershipKey&gt;();
<a class="jxr_linenumber" name="170" href="#170">170</a>                     memberships.put(multicastAddress, keys);
<a class="jxr_linenumber" name="171" href="#171">171</a>                 }
<a class="jxr_linenumber" name="172" href="#172">172</a>                 keys.add(key);
<a class="jxr_linenumber" name="173" href="#173">173</a>             }
<a class="jxr_linenumber" name="174" href="#174">174</a>         } <strong class="jxr_keyword">catch</strong> (Throwable e) {
<a class="jxr_linenumber" name="175" href="#175">175</a>             <strong class="jxr_keyword">return</strong> failedFuture(<strong class="jxr_keyword">this</strong>, e);
<a class="jxr_linenumber" name="176" href="#176">176</a>         }
<a class="jxr_linenumber" name="177" href="#177">177</a>         <strong class="jxr_keyword">return</strong> succeededFuture(<strong class="jxr_keyword">this</strong>);
<a class="jxr_linenumber" name="178" href="#178">178</a>     }
<a class="jxr_linenumber" name="179" href="#179">179</a> 
<a class="jxr_linenumber" name="180" href="#180">180</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> leaveGroup(InetAddress multicastAddress) {
<a class="jxr_linenumber" name="181" href="#181">181</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="182" href="#182">182</a>             <strong class="jxr_keyword">return</strong> leaveGroup(
<a class="jxr_linenumber" name="183" href="#183">183</a>                     multicastAddress, NetworkInterface.getByInetAddress(getLocalAddress().getAddress()), <strong class="jxr_keyword">null</strong>);
<a class="jxr_linenumber" name="184" href="#184">184</a>         } <strong class="jxr_keyword">catch</strong> (SocketException e) {
<a class="jxr_linenumber" name="185" href="#185">185</a>             <strong class="jxr_keyword">return</strong> failedFuture(<strong class="jxr_keyword">this</strong>, e);
<a class="jxr_linenumber" name="186" href="#186">186</a>         }
<a class="jxr_linenumber" name="187" href="#187">187</a>     }
<a class="jxr_linenumber" name="188" href="#188">188</a> 
<a class="jxr_linenumber" name="189" href="#189">189</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> leaveGroup(InetSocketAddress multicastAddress,
<a class="jxr_linenumber" name="190" href="#190">190</a>             NetworkInterface networkInterface) {
<a class="jxr_linenumber" name="191" href="#191">191</a>         <strong class="jxr_keyword">return</strong> leaveGroup(multicastAddress.getAddress(), networkInterface, <strong class="jxr_keyword">null</strong>);
<a class="jxr_linenumber" name="192" href="#192">192</a>     }
<a class="jxr_linenumber" name="193" href="#193">193</a> 
<a class="jxr_linenumber" name="194" href="#194">194</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="195" href="#195">195</a> <em class="jxr_javadoccomment">     * Leave the specified multicast group at the specified interface using the specified source.</em>
<a class="jxr_linenumber" name="196" href="#196">196</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="197" href="#197">197</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> leaveGroup(InetAddress multicastAddress,
<a class="jxr_linenumber" name="198" href="#198">198</a>             NetworkInterface networkInterface, InetAddress source) {
<a class="jxr_linenumber" name="199" href="#199">199</a>         <strong class="jxr_keyword">if</strong> (DetectionUtil.javaVersion() &lt; 7) {
<a class="jxr_linenumber" name="200" href="#200">200</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> UnsupportedOperationException();
<a class="jxr_linenumber" name="201" href="#201">201</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="202" href="#202">202</a>             <strong class="jxr_keyword">if</strong> (multicastAddress == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="203" href="#203">203</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"multicastAddress"</span>);
<a class="jxr_linenumber" name="204" href="#204">204</a>             }
<a class="jxr_linenumber" name="205" href="#205">205</a> 
<a class="jxr_linenumber" name="206" href="#206">206</a>             <strong class="jxr_keyword">if</strong> (networkInterface == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="207" href="#207">207</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"networkInterface"</span>);
<a class="jxr_linenumber" name="208" href="#208">208</a>             }
<a class="jxr_linenumber" name="209" href="#209">209</a> 
<a class="jxr_linenumber" name="210" href="#210">210</a>             <strong class="jxr_keyword">synchronized</strong> (<strong class="jxr_keyword">this</strong>) {
<a class="jxr_linenumber" name="211" href="#211">211</a>                 <strong class="jxr_keyword">if</strong> (memberships != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="212" href="#212">212</a>                     List&lt;MembershipKey&gt; keys = memberships.get(multicastAddress);
<a class="jxr_linenumber" name="213" href="#213">213</a>                     <strong class="jxr_keyword">if</strong> (keys != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="214" href="#214">214</a>                         Iterator&lt;MembershipKey&gt; keyIt = keys.iterator();
<a class="jxr_linenumber" name="215" href="#215">215</a> 
<a class="jxr_linenumber" name="216" href="#216">216</a>                         <strong class="jxr_keyword">while</strong> (keyIt.hasNext()) {
<a class="jxr_linenumber" name="217" href="#217">217</a>                             MembershipKey key = keyIt.next();
<a class="jxr_linenumber" name="218" href="#218">218</a>                             <strong class="jxr_keyword">if</strong> (networkInterface.equals(key.networkInterface())) {
<a class="jxr_linenumber" name="219" href="#219">219</a>                                 <strong class="jxr_keyword">if</strong> (source == <strong class="jxr_keyword">null</strong> &amp;&amp; key.sourceAddress() == <strong class="jxr_keyword">null</strong> ||
<a class="jxr_linenumber" name="220" href="#220">220</a>                                     source != <strong class="jxr_keyword">null</strong> &amp;&amp; source.equals(key.sourceAddress())) {
<a class="jxr_linenumber" name="221" href="#221">221</a>                                     key.drop();
<a class="jxr_linenumber" name="222" href="#222">222</a>                                     keyIt.remove();
<a class="jxr_linenumber" name="223" href="#223">223</a>                                 }
<a class="jxr_linenumber" name="224" href="#224">224</a>                             }
<a class="jxr_linenumber" name="225" href="#225">225</a>                         }
<a class="jxr_linenumber" name="226" href="#226">226</a>                         <strong class="jxr_keyword">if</strong> (keys.isEmpty()) {
<a class="jxr_linenumber" name="227" href="#227">227</a>                             memberships.remove(multicastAddress);
<a class="jxr_linenumber" name="228" href="#228">228</a>                         }
<a class="jxr_linenumber" name="229" href="#229">229</a>                     }
<a class="jxr_linenumber" name="230" href="#230">230</a>                 }
<a class="jxr_linenumber" name="231" href="#231">231</a>             }
<a class="jxr_linenumber" name="232" href="#232">232</a>             <strong class="jxr_keyword">return</strong> succeededFuture(<strong class="jxr_keyword">this</strong>);
<a class="jxr_linenumber" name="233" href="#233">233</a>         }
<a class="jxr_linenumber" name="234" href="#234">234</a>     }
<a class="jxr_linenumber" name="235" href="#235">235</a> 
<a class="jxr_linenumber" name="236" href="#236">236</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="237" href="#237">237</a> <em class="jxr_javadoccomment">     * Block the given sourceToBlock address for the given multicastAddress on the given networkInterface</em>
<a class="jxr_linenumber" name="238" href="#238">238</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="239" href="#239">239</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="240" href="#240">240</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> block(InetAddress multicastAddress,
<a class="jxr_linenumber" name="241" href="#241">241</a>             NetworkInterface networkInterface, InetAddress sourceToBlock) {
<a class="jxr_linenumber" name="242" href="#242">242</a>         <strong class="jxr_keyword">if</strong> (DetectionUtil.javaVersion() &lt; 7) {
<a class="jxr_linenumber" name="243" href="#243">243</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> UnsupportedOperationException();
<a class="jxr_linenumber" name="244" href="#244">244</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="245" href="#245">245</a>             <strong class="jxr_keyword">if</strong> (multicastAddress == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="246" href="#246">246</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"multicastAddress"</span>);
<a class="jxr_linenumber" name="247" href="#247">247</a>             }
<a class="jxr_linenumber" name="248" href="#248">248</a>             <strong class="jxr_keyword">if</strong> (sourceToBlock == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="249" href="#249">249</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"sourceToBlock"</span>);
<a class="jxr_linenumber" name="250" href="#250">250</a>             }
<a class="jxr_linenumber" name="251" href="#251">251</a> 
<a class="jxr_linenumber" name="252" href="#252">252</a>             <strong class="jxr_keyword">if</strong> (networkInterface == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="253" href="#253">253</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"networkInterface"</span>);
<a class="jxr_linenumber" name="254" href="#254">254</a>             }
<a class="jxr_linenumber" name="255" href="#255">255</a>             <strong class="jxr_keyword">synchronized</strong> (<strong class="jxr_keyword">this</strong>) {
<a class="jxr_linenumber" name="256" href="#256">256</a>                 <strong class="jxr_keyword">if</strong> (memberships != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="257" href="#257">257</a>                     List&lt;MembershipKey&gt; keys = memberships.get(multicastAddress);
<a class="jxr_linenumber" name="258" href="#258">258</a>                     <strong class="jxr_keyword">for</strong> (MembershipKey key: keys) {
<a class="jxr_linenumber" name="259" href="#259">259</a>                         <strong class="jxr_keyword">if</strong> (networkInterface.equals(key.networkInterface())) {
<a class="jxr_linenumber" name="260" href="#260">260</a>                             <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="261" href="#261">261</a>                                 key.block(sourceToBlock);
<a class="jxr_linenumber" name="262" href="#262">262</a>                             } <strong class="jxr_keyword">catch</strong> (IOException e) {
<a class="jxr_linenumber" name="263" href="#263">263</a>                                 <strong class="jxr_keyword">return</strong> failedFuture(<strong class="jxr_keyword">this</strong>, e);
<a class="jxr_linenumber" name="264" href="#264">264</a>                             }
<a class="jxr_linenumber" name="265" href="#265">265</a>                         }
<a class="jxr_linenumber" name="266" href="#266">266</a>                     }
<a class="jxr_linenumber" name="267" href="#267">267</a>                 }
<a class="jxr_linenumber" name="268" href="#268">268</a>             }
<a class="jxr_linenumber" name="269" href="#269">269</a>             <strong class="jxr_keyword">return</strong> succeededFuture(<strong class="jxr_keyword">this</strong>);
<a class="jxr_linenumber" name="270" href="#270">270</a>         }
<a class="jxr_linenumber" name="271" href="#271">271</a>     }
<a class="jxr_linenumber" name="272" href="#272">272</a> 
<a class="jxr_linenumber" name="273" href="#273">273</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="274" href="#274">274</a> <em class="jxr_javadoccomment">     * Block the given sourceToBlock address for the given multicastAddress</em>
<a class="jxr_linenumber" name="275" href="#275">275</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="276" href="#276">276</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="277" href="#277">277</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> block(InetAddress multicastAddress, InetAddress sourceToBlock) {
<a class="jxr_linenumber" name="278" href="#278">278</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="279" href="#279">279</a>             block(multicastAddress, NetworkInterface.getByInetAddress(getLocalAddress().getAddress()), sourceToBlock);
<a class="jxr_linenumber" name="280" href="#280">280</a>         } <strong class="jxr_keyword">catch</strong> (SocketException e) {
<a class="jxr_linenumber" name="281" href="#281">281</a>             <strong class="jxr_keyword">return</strong> failedFuture(<strong class="jxr_keyword">this</strong>, e);
<a class="jxr_linenumber" name="282" href="#282">282</a>         }
<a class="jxr_linenumber" name="283" href="#283">283</a>         <strong class="jxr_keyword">return</strong> succeededFuture(<strong class="jxr_keyword">this</strong>);
<a class="jxr_linenumber" name="284" href="#284">284</a>     }
<a class="jxr_linenumber" name="285" href="#285">285</a> 
<a class="jxr_linenumber" name="286" href="#286">286</a>     @Override
<a class="jxr_linenumber" name="287" href="#287">287</a>     InetSocketAddress getLocalSocketAddress() <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="288" href="#288">288</a>         <strong class="jxr_keyword">return</strong> (InetSocketAddress) channel.socket().getLocalSocketAddress();
<a class="jxr_linenumber" name="289" href="#289">289</a>     }
<a class="jxr_linenumber" name="290" href="#290">290</a> 
<a class="jxr_linenumber" name="291" href="#291">291</a>     @Override
<a class="jxr_linenumber" name="292" href="#292">292</a>     InetSocketAddress getRemoteSocketAddress() <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="293" href="#293">293</a>         <strong class="jxr_keyword">return</strong> (InetSocketAddress) channel.socket().getRemoteSocketAddress();
<a class="jxr_linenumber" name="294" href="#294">294</a>     }
<a class="jxr_linenumber" name="295" href="#295">295</a> 
<a class="jxr_linenumber" name="296" href="#296">296</a>     @Override
<a class="jxr_linenumber" name="297" href="#297">297</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> write(Object message, SocketAddress remoteAddress) {
<a class="jxr_linenumber" name="298" href="#298">298</a>         <strong class="jxr_keyword">if</strong> (remoteAddress == <strong class="jxr_keyword">null</strong> || remoteAddress.equals(getRemoteAddress())) {
<a class="jxr_linenumber" name="299" href="#299">299</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">super</strong>.write(message, <strong class="jxr_keyword">null</strong>);
<a class="jxr_linenumber" name="300" href="#300">300</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="301" href="#301">301</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">super</strong>.write(message, remoteAddress);
<a class="jxr_linenumber" name="302" href="#302">302</a>         }
<a class="jxr_linenumber" name="303" href="#303">303</a>     }
<a class="jxr_linenumber" name="304" href="#304">304</a> }
</pre>
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